Do not hardcode price value

master/bt5/vifib_slap/SkinTemplateItem/portal_skins/vifib_slap/HostingSubscription_requestRootSoftwareInstance.xml

@@ -94,6 +94,7 @@ new_one = False\n
 if (request_software_instance is None):\n
   new_one = True\n
   setup_service_relative_url = portal.portal_preferences.getPreferredInstanceSetupResource()\n
+  service = portal.restrictedTraverse(setup_service_relative_url)\n
   request_software_instance = portal.getDefaultModule(portal_type=software_instance_portal_type).newContent(\n
           portal_type=software_instance_portal_type,\n
           source_reference=hosting_subscription.getSourceReference(),\n
@@ -129,7 +130,7 @@ if (request_software_instance is None):\n
     portal_type=sale_order_line_portal_type,\n
     resource=setup_service_relative_url,\n
     quantity=1,\n
-    price=0,\n
+    price=service.getSaleSupplyLineBasePrice(),\n
     aggregate_value_list=[request_software_instance,\n
                           hosting_subscription,\n
                           software_release_document\n